package com.movie.api.controller;

import cn.hutool.json.JSONObject;
import com.alipay.api.AlipayApiException;
import com.alipay.api.AlipayClient;
import com.alipay.api.DefaultAlipayClient;
import com.alipay.api.internal.util.AlipaySignature;
import com.alipay.api.request.AlipayTradePagePayRequest;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.movie.api.config.AlipayConfig;
import com.movie.api.context.LoginContext;
import com.movie.api.mapper.UserMapper;
import com.movie.api.model.entity.OrderVIP;
import com.movie.api.model.entity.User;
import com.movie.api.service.AliPayService;
import com.movie.api.service.UserIsVipService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;

// xjlugv6874@sandbox.com
// 9428521.24 - 30 = 9428491.24 + 30 = 9428521.24
@RestController
@Slf4j
@RequestMapping ( "/alipay" )
public class AliPayController {
    @Resource
    private UserIsVipService userIsVipService;
    @Resource
    private UserMapper userMapper;

    private static final String GATEWAY_URL = "https://openapi-sandbox.dl.alipaydev.com/gateway.do";
    private static final String FORMAT = "JSON";
    private static final String CHARSET = "UTF-8";
    //签名方式
    private static final String SIGN_TYPE = "RSA2";

    @Resource
    private AlipayConfig aliPayConfig;

    @Resource
    private AliPayService aliPayService;


    @GetMapping ( "/pay" ) // &subject=香蕉&traceNo=202405&totalAmount=30
    public void pay(HttpServletResponse httpResponse) throws Exception {
        // 1. 创建Client，通用SDK提供的Client，负责调用支付宝的API
        AlipayClient alipayClient = new DefaultAlipayClient(GATEWAY_URL, aliPayConfig.getAppId(),
                aliPayConfig.getAppPrivateKey(), FORMAT, CHARSET, aliPayConfig.getAlipayPublicKey(), SIGN_TYPE);

        // 2. 创建 Request并设置Request参数
        AlipayTradePagePayRequest request = new AlipayTradePagePayRequest();  // 发送请求的 Request类
        request.setNotifyUrl(aliPayConfig.getNotifyUrl());
        JSONObject bizContent = new JSONObject();

//        bizContent.set("out_trade_no", "20222005038");

        // 设置订单编号（out_trade_no）为当前时间戳
        SimpleDateFormat dateFormat = new SimpleDateFormat("yyyyMMddHHmmss");
        String timestampStr = dateFormat.format(new Date());
        bizContent.set("out_trade_no", timestampStr);
        bizContent.set("total_amount", "20");
        bizContent.set("subject", "电影院VIP");
        bizContent.set("product_code", "FAST_INSTANT_TRADE_PAY");  // 固定配置
        request.setBizContent(bizContent.toString());

        // 执行请求，拿到响应的结果，返回给浏览器
        String form = "";
        try {
            form = alipayClient.pageExecute(request).getBody(); // 调用SDK生成表单
        } catch (AlipayApiException e) {
            e.printStackTrace();
        }
        httpResponse.setContentType("text/html;charset=" + CHARSET);
        httpResponse.getWriter().write(form);// 直接将完整的表单html输出到页面
        httpResponse.getWriter().flush();
        httpResponse.getWriter().close();
    }

    @PostMapping ( "/notify" )  // 注意这里必须是POST接口
    public String payNotify(HttpServletRequest request) throws Exception {
        if (request.getParameter("trade_status").equals("TRADE_SUCCESS")) {
            System.out.println("=========支付宝异步回调========");
            Map<String, String> params = new HashMap<>();
            Map<String, String[]> requestParams = request.getParameterMap();
            for (String name : requestParams.keySet()) {
                params.put(name, request.getParameter(name));
                // System.out.println(name + " = " + request.getParameter(name));
            }

            String tradeNo = params.get("out_trade_no");
            String gmtPayment = params.get("gmt_payment");
            String alipayTradeNo = params.get("trade_no");

            String sign = params.get("sign");
            String content = AlipaySignature.getSignCheckContentV1(params);
            boolean checkSignature = AlipaySignature.rsa256CheckContent(content, sign, aliPayConfig.getAlipayPublicKey(), "UTF-8"); // 验证签名
            // 支付宝验签
            if (checkSignature) {
                // 验签通过
                System.out.println("交易名称: " + params.get("subject"));
                System.out.println("交易状态: " + params.get("trade_status"));
                System.out.println("支付宝交易凭证号: " + params.get("trade_no"));
                System.out.println("商户订单号: " + params.get("out_trade_no"));
                System.out.println("交易金额: " + params.get("total_amount"));
                System.out.println("买家在支付宝唯一id: " + params.get("buyer_id"));
                System.out.println("买家付款时间: " + params.get("gmt_payment"));//
                System.out.println("买家付款金额: " + params.get("buyer_pay_amount"));

                String name = LoginContext.getName();
                QueryWrapper<User> userQueryWrapper = new QueryWrapper<User>();
                userQueryWrapper.eq("username", name);
                User user = userMapper.selectOne(userQueryWrapper);
                String userId = user.getId();
                userIsVipService.setVipById(userId);

                OrderVIP orderVIP = OrderVIP.builder()
                        .tradeNo(params.get("trade_no"))
                        .userId(userId)
                        .paymentTime(params.get("gmt_payment"))
                        .outTradeNo(params.get("out_trade_no"))
                        .id(UUID.randomUUID().toString())
                        .build();
                log.info("orderVIP:{}", orderVIP);
                aliPayService.save(orderVIP);

            }
        } else {
            System.out.println("失败调用");

        }
        return "success";
    }


}


